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LibCrypto: Add SECP384r1 implementation

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This implementation is basically a copy-paste of the SECP256r1
implementation with all "256" replaced with "384".

In the future it might be nice to make this generic, instead of having
two almost identical copies of code.
This commit is contained in:
Michiel Visser 2023-11-10 16:21:43 +01:00 • committed by Ali Mohammad Pur
parent be68f747b6
commit 6322d68b1b
3 changed files with 662 additions and 0 deletions
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26
Userland/Libraries/LibCrypto/Curves/SECP384r1.h Normal file
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/*
* Copyright (c) 2023, Michiel Visser <opensource@webmichiel.nl>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/ByteBuffer.h>
#include <AK/UFixedBigInt.h>
#include <LibCrypto/Curves/EllipticCurve.h>
namespace Crypto::Curves {
class SECP384r1 : public EllipticCurve {
public:
size_t key_size() override { return 1 + 2 * 48; }
ErrorOr<ByteBuffer> generate_private_key() override;
ErrorOr<ByteBuffer> generate_public_key(ReadonlyBytes a) override;
ErrorOr<ByteBuffer> compute_coordinate(ReadonlyBytes scalar_bytes, ReadonlyBytes point_bytes) override;
ErrorOr<ByteBuffer> derive_premaster_key(ReadonlyBytes shared_point) override;
ErrorOr<bool> verify(ReadonlyBytes hash, ReadonlyBytes pubkey, ReadonlyBytes signature);
};
}